/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package cn.edu.thu.laud.utils.serde;

import java.nio.ByteBuffer;

import org.apache.cassandra.utils.ByteBufferUtil;

/**
 * @author zhuoan
 *
 */
public class ByteArrayConverter implements IConverter{

	@Override
	public byte[] getObject(ByteBuffer buffer, ConverterContext context) {
		if(buffer == null){
			return null;
		}
		
		return ByteBufferUtil.getArray(buffer);
	}

	@Override
	public ByteBuffer writeBytes(Object value, ByteBuffer buffer, ConverterContext context) {
		byte[] bytes = (byte[]) value;
		
		ByteBuffer checked = ConverterContext.check(buffer, bytes.length);
		
		return checked.put(bytes);
	}

	@Override
	public String getComparatorType() {
		return "BytesType";
	}

	

}
